Table 3 Stress levels and experimental results for 8 groups of specimens (Unit: MPa).
No | A-1 | A-2 | A-3 | B-1 | B-2 | B-3 | C-1 | C-2 |
|---|---|---|---|---|---|---|---|---|
1 | 190/+ | 190/− | 190/− | 190/× | 190/− | 190/− | 190/− | 190/− |
2 | 182/− | 198/− | 198/− | 182/+ | 198/+ | 198/− | 198/※ | 198/− |
3 | 190/+ | 206/× | 206/− | 174/+ | 190/− | 206/− | 190/※ | 206/− |
4 | 182/+ | 198/− | 214/+ | 166/− | 198/× | 214/− | 182/− | 214/− |
5 | 174/+ | 206/− | 206/− | 174/− | 190/− | 222/− | 190/− | 222/※ |
6 | 166/− | 214/− | 214/− | 182/+ | 198/− | 230/− | 198/− | 214/− |
7 | 174/+ | 222/× | 222/+ | 174/+ | 206/× | 238/× | 206/※ | 222/− |
8 | 166/− | 214/+ | 214/− | 166/− | 198/− | 230/+ | 198/※ | 230/− |
9 | 174/+ | 206/− | 222/+ | 174/+ | 206/+ | 222/× | 190/※ | 238/※ |
10 | 166/− | 214/− | 214/+ | 166/− | 198/− | 214/+ | 182/※ | 230/※ |
11 | 174/− | 222/+ | 206/− | 174/− | 206/− | 206/− | 174/※ | 222/※ |
12 | 182/− | 214/− | 214/− | 182/× | 214/− | 214/+ | 166/− | 214/※ |
13 | 190/− | 222/× | 222/− | 174/+ | 222/− | 206/− | 174/− | 206/− |
14 | 198/+ | 214/+ | 230/− | 166/+ | 230/− | 214/+ | 182/− | 214/− |
15 | 190/+ | 206/+ | 238/× | 158/− | 238/× | 206/+ | 190/− | 222/− |